Intersecting M-branes as Four-Dimensional Black Holes
Abstract
We present two 1/8 supersymmetric intersecting p-brane solutions of 11-dimensional supergravity which upon compactification to four dimensions reduce to extremal dyonic black holes with finite area of horizon. The first solution is a configuration of three intersecting 5-branes with an extra momentum flow along the common string. The second describes a system of two 2-branes and two 5-branes. Related (by compactification and T-duality) solution of type IIB theory corresponds to a completely symmetric configuration of four intersecting 3-branes. We suggest methods for counting the BPS degeneracy of three intersecting 5-branes which, in the macroscopic limit, reproduce the Bekenstein-Hawking entropy.
Cite
@article{arxiv.hep-th/9604166,
title = {Intersecting M-branes as Four-Dimensional Black Holes},
author = {I. R. Klebanov and A. A. Tseytlin},
journal= {arXiv preprint arXiv:hep-th/9604166},
year = {2009}
}
Comments
15 pages, harvmac; a reference added (the version to appear in Nulcear Physics B)